Board of Directors

Dr. Hans-Georg Betz, age 65, was the Chief Executive Officer of Advanced Energy Inc. (NASDAQ: AEIS), a global producer of power conversion products and gear used in the production of flat-panel displays, solar panels, data storage devices, architectural glass, and other thin-film products, from 2005 to 2011. Before that, he was the founder and CEO for West Steag Partners GmbH, a venture capitalist firm focused on strategic investments in emerging technology businesses. Before forming West Steag Partners, Mr. Betz served as COO and later CEO of Steag Electronics Systems. He spent the first 15 years of his career as a scientist, working first at the Fraunhofer Institute of Semiconductor Technology and later at the Fraunhofer Institute of Microstructure Technology (IMT). In 1987, he joined Leybold AG, where he served as the head of research and development. Mr. Betz, who speaks German and English and now resides in Italy, currently serves as chairman of the board for Mattson Technology (NASDAQ: MTSN) in Fremont, California. He graduated from the Technical University of Munich in 1972 with a degree in electrical engineering, and earned his Ph.D. in 1981 from Fraunhofer IMT.

Serves on Compensation and Nominating/Governance Committees
Joined Board in 2012